Does the _uetsid_exp cookie need consent?

In the EU and the UK, yes. _uetsid_exp is a marketing cookie and needs consent before it is set under the GDPR, the ePrivacy rules and PECR. Under the CCPA and CPRA, visitors can opt out of its use for cross-context behavioural advertising.

Who sets the _uetsid_exp cookie?

_uetsid_exp is set by Microsoft Ads, from Microsoft Corporation. It is in the Marketing category.

How do I block or delete the _uetsid_exp cookie?

Visitors can delete _uetsid_exp in their browser's cookie settings. On your own website, a consent banner can keep the script that sets it waiting until the visitor accepts marketing cookies. Kukie.io's banner does this for known trackers by default, and for any other script you tag with its category.

Marketing

_uetsid_exp cookie

Set by Microsoft Ads.

What it does

This is a cookie utilised by Microsoft Bing Ads and is a tracking cookie. It allows us to engage with a user that has previously visited our website.

Cookie name: _uetsid_exp
Category: Marketing
Provider: Microsoft Ads
Vendor: Microsoft Corporation

Consent

Needed in the EU and the UK

_uetsid_exp is in the Marketing category. In the EU and the UK, it needs the visitor's consent before it is set. Under California's CCPA, visitors can opt out of the sale or sharing of their personal information, including for cross-context behavioural advertising.

GDPR and ePrivacy (EU): Prior consent is needed before setting _uetsid_exp. Advertising and tracking cookies are never covered by the strictly necessary exemption.
UK GDPR and PECR: Consent is needed before setting _uetsid_exp.
CCPA and CPRA (California): Setting _uetsid_exp for cross-context behavioural advertising counts as sharing personal information: offer a "Do Not Sell or Share My Personal Information" opt-out and honour the Global Privacy Control signal.

Managing _uetsid_exp with a consent banner

A consent banner can keep the script that sets _uetsid_exp waiting until the visitor accepts marketing cookies. Kukie.io's cookie scanner finds _uetsid_exp and sorts it into a category. The banner holds back known trackers by default, and any other script you tag with its category waits too.

Learn more about script blocking

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